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@ARTICLE{Halbwachs:857127,
author = {Halbwachs, Hans and Easton, Gary L. and Bol, Roland and
Hobbie, Erik A. and Garnett, Mark H and Peršoh, Derek and
Dixon, Liz and Ostle, Nick and Karasch, Peter and Griffith,
Gareth W.},
title = {{I}sotopic evidence of biotrophy and unusual nitrogen
nutrition in soil-dwelling {H}ygrophoraceae},
journal = {Environmental microbiology},
volume = {20},
number = {10},
issn = {1462-2912},
address = {Oxford [u.a.]},
publisher = {Blackwell},
reportid = {FZJ-2018-06371},
pages = {3573 - 3588},
year = {2018},
abstract = {Several lines of evidence suggest that the agaricoid,
non‐ectomycorrhizal members of the family Hygrophoraceae
(waxcaps) are biotrophic with unusual nitrogen nutrition.
However, methods for the axenic culture and lab‐based
study of these organisms remain to be developed, so our
current knowledge is limited to field‐based
investigations. Addition of nitrogen, lime or
organophosphate pesticide at an experimental field site
(Sourhope) suppressed fruiting of waxcap basidiocarps.
Furthermore, stable isotope natural abundance in
basidiocarps were unusually high in 15N and low in 13C, the
latter consistent with mycorrhizal nutritional status.
Similar patterns were found in waxcap basidiocarps from
diverse habitats across four continents. Additional data
from 14C analysis of basidiocarps and 13C pulse label
experiments suggest that these fungi are not saprotrophs but
rather biotrophic endophytes and possibly mycorrhizal. The
consistently high but variable δ15N values (10–20‰) of
basidiocarps further indicate that N acquisition or
processing differ from other fungi; we suggest that N may be
derived from acquisition of N via soil fauna high in the
food chain.},
cin = {IBG-3},
ddc = {570},
cid = {I:(DE-Juel1)IBG-3-20101118},
pnm = {255 - Terrestrial Systems: From Observation to Prediction
(POF3-255)},
pid = {G:(DE-HGF)POF3-255},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:30105856},
UT = {WOS:000447549700009},
doi = {10.1111/1462-2920.14327},
url = {https://juser.fz-juelich.de/record/857127},
}